A Push-Up Contest on TikTok Exposed a Great Cyber-Espionage Threat

Episode five of Foundering: The TikTok Story looks at the app’s perceived risk to U.S. national security.

TikTok has become a flash point among rising U.S.-China tensions.

Photographer: Bloomberg/Bloomberg
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As TikTok gained popularity globally, many subcultures sprang up within the app. One group called Military TikTok featured members of the U.S. armed forces posting videos of push-up contests and pranks around their bases.